Home / 118,854.75-163,990.19-70,468.04

Finding the Fourth Proportional to 118,854.75, 163,990.19 and 70,468.04

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Solution

The fourth proportional to 118,854.75, 163,990.19 and 70,468.04 is: 97,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,854.75 : 163,990.19 = 70,468.04 : x
  2. Step 2: Convert to fraction form
    118,854.75/163,990.19 = 70,468.04/x
  3. Step 3: Cross multiply
    118,854.75x = 163,990.19 × 70,468.04
  4. Step 4: Simplify right side
    118,854.75x = 11,556,066,096.24
  5. Step 5: Solve for x
    x = 11,556,066,096.24/118,854.75
  6. Step 6: Final answer
    x = 97,228.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.